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Split a string on whitespace in Go?
Given an input string such as " word1 word2 word3 word4 " , what would be the best approach to split this as an array of strings in Go? Note that there can be any number of spaces or unicode-spacing characters between each word.
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Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
10 Answers
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Python dict how to create key or append an element to key?
...to do this so you can compare how it looks and choose what you like. I've ordered them in a way that I think is most "pythonic", and commented the pros and cons that might not be obvious at first glance:
Using collections.defaultdict:
import collections
dict_x = collections.defaultdict(list)
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Isn't “package private” member access synonymous with the default (no-modifier) access?
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Its worth noting that the default access for interface member is not package-private.
– Peter Lawrey
Mar 24 '11 at 9:01
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PostgreSQL error 'Could not connect to server: No such file or directory'
Like some others I am getting this error when I run rake db:migrate in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
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Adding a new entry to the PATH variable in ZSH
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Here, add this line to .zshrc:
export PATH=/home/david/pear/bin:$PATH
EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as...
How to download a Nuget package without nuget.exe or Visual Studio extension?
...I download a NuGet package? I don't have the NuGet Visual Studio extension or the command line program nuget.exe. How can I download the .nupack file from the web? As I understand I will be able to extract the .dll files from it (with 7-zip) to use as normal.
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When to wrap quotes around a shell variable?
Could someone tell me whether or not I should wrap quotes around variables in a shell script?
5 Answers
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How to compare type of an object in Python?
...r) will return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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What does the '.' (dot or period) in a Go import statement do?
In the Go tutorial, and most of the Go code I've looked at, packages are imported like this:
3 Answers
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